Carolyn L. Koenig, MD
NPI 1063488278ActiveIndividual· Internal Medicine· Saint Louis, MO
Internal Medicine (MD) in Saint Louis, Missouri, trained at Saint Louis University School of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $740,465 for 8,352 claims, against $75,614 paid for services in 2024. Radius Health, Inc. was the largest of 17 companies reporting payments in 2025, $892.16 in all, mostly food and beverage.
Overview
| NPI | 1063488278 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 27, 2006 |
| Last updated in NPPES | Oct 13, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 2005019373 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 224 |
|---|---|
| Services billed | 1,032 across 40 procedure codes |
| Paid by Medicare | $75,614 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,352 · 20,465 30-day fills |
|---|---|
| Patients | 576 |
| Total drug cost | $740,465 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Mercy Clinic East CommunitiesSaint Louis, MO · 571 clinicians
Hospital affiliations
- Mercy Hospital SouthSaint Louis, MO
- Mercy Hospital St LouisSaint Louis, MO
- Missouri Baptist Medical CenterSaint Louis, MO
Other facilities
- Mercy Home HealthHome health agency · Saint Louis, MO
- Mercy HospiceHospice · Saint Louis, MO
- Ssm Health Rehabilitation HospitalInpatient rehabilitation facility · Richmond Heights, MO
Industry payments (Open Payments)
- 2025$892.16 · 41 payments from 17 companies
- 2024$613.28 · 33 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Radius Health, Inc. | $157.21 | 3 |
| Lilly USA, LLC | $134.84 | 8 |
| Amgen Inc. | $104.48 | 6 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $77.50 | 4 |
| Abbvie Inc. | $73.73 | 3 |
What the 2025 payments were for
- Food and Beverage$853.62 · 40 payments
- Education$38.54 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,092 internal medicine physicians in Saint Louis · All internal medicine physicians in Missouri